Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import { useState, useEffect } from 'react';
import { useMapContext } from '@uiw/react-baidu-map-map';
import { noop, useEnableProperties, useProperties, useVisiable, useEventProperties } from '@uiw/react-baidu-map-utils';
import { PolygonProps } from './';
export interface UsePolygon extends PolygonProps {}
export function usePolygon(props = {} as UsePolygon) {
const {
strokeColor,
fillColor,
strokeWeight,
strokeOpacity,
fillOpacity,
strokeStyle,
enableMassClear,
enableEditing,
enableClicking,
} = props;
const { map } = useMapContext();
const [polygon, setPolygon] = useState<BMap.Polygon>();
const [path, setPath] = useState(props.path || []);
const opts = {
strokeColor,
fillColor,
strokeWeight,
strokeOpacity,
fillOpacity,
strokeStyle,
enableMassClear,
enableEditing,
enableClicking,
};
useEffect(() => {
if (!BMap || !map) return noop;
const points = (path || []).map((item) => new BMap.Point(item.lng, item.lat));
const instance = new BMap.Polygon(points, opts);
map.addOverlay(instance);
setPolygon(instance);
return function () {
map.removeOverlay(instance);
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [map]);
useEffect(() => {
if (path && polygon) {
const points = path.map((item) => new BMap.Point(item.lng, item.lat));
polygon.setPath(points);
}
}, [polygon, path]);
useVisiable(polygon!, props);
useEventProperties<BMap.Polygon, UsePolygon>(polygon!, props, [
'Click',
'DoubleClick',
'MouseDown',
'MouseUp',
'MouseOut',
'MouseOver',
'Remove',
'LineUpdate',
]);
useEnableProperties<BMap.Polygon, UsePolygon>(polygon!, props, ['Editing', 'MassClear']);
// PositionAt
useProperties<BMap.Polygon, PolygonProps>(polygon!, props, [
'StrokeColor',
'StrokeOpacity',
'FillColor',
'FillOpacity',
'StrokeWeight',
'StrokeStyle',
]);
return {
polygon,
setPolygon,
path,
setPath,
};
}
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